The Shockwave Science Fiction Series

Battle for Earth (Shockwave Book 1) FREE by Hammer Trollkin: Starship Troopers grit meets X Men evolution. When an alien strike on a secret DARPA lab creates Earth’s first superpowered teenagers, a retired Army colonel is forced to lead his own grandkids into a war humanity is losing. Team Shockwave is the only thing standing between Earth and extinction, or something worse.

This book is Free on May 8, 2026